/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.seasar.framework.container.cooldeploy;
import java.util.HashSet;
import java.util.Set;
import org.seasar.framework.container.ComponentCreator;
import org.seasar.framework.container.ComponentDef;
import org.seasar.framework.container.S2Container;
import org.seasar.framework.container.util.S2ContainerUtil;
import org.seasar.framework.convention.NamingConvention;
import org.seasar.framework.util.ClassUtil;
import org.seasar.framework.util.ModifierUtil;
import org.seasar.framework.util.ResourcesUtil;
import org.seasar.framework.util.ClassTraversal.ClassHandler;
import org.seasar.framework.util.ResourcesUtil.Resources;
/**
* {@link NamingConvention}に一致するコンポーネントを自動登録するクラスです。
*
* @author higa
*
*/
public class CoolComponentAutoRegister implements ClassHandler {
/**
* InitMethodアノテーションの定義です。
*/
public static final String INIT_METHOD = "registerAll";
/**
* Bindingアノテーションの定義です。
*/
public static final String container_BINDING = "bindingType=must";
private S2Container container;
private ComponentCreator[] creators;
private NamingConvention namingConvention;
/**
* 登録されたクラスを保持するためのセットです。
*/
protected Set registeredClasses = new HashSet();
/**
* {@link S2Container}を返します。
*
* @return {@link S2Container}
*/
public S2Container getContainer() {
return container;
}
/**
* {@link S2Container}を設定します。
*
* @param container
*/
public void setContainer(final S2Container container) {
this.container = container;
}
/**
* {@link ComponentCreator}の配列を返します。
*
* @return {@link ComponentCreator}の配列
*/
public ComponentCreator[] getCreators() {
return creators;
}
/**
* {@link ComponentCreator}の配列を設定します。
*
* @param creators
*/
public void setCreators(final ComponentCreator[] creators) {
this.creators = creators;
}
/**
* {@link NamingConvention}を返します。
*
* @return {@link NamingConvention}
*/
public NamingConvention getNamingConvention() {
return namingConvention;
}
/**
* {@link NamingConvention}を設定します。
*
* @param namingConvention
*/
public void setNamingConvention(final NamingConvention namingConvention) {
this.namingConvention = namingConvention;
}
/**
* 自動登録を行います。
*/
public void registerAll() {
try {
final String[] rootPackageNames = namingConvention
.getRootPackageNames();
if (rootPackageNames != null) {
for (int i = 0; i < rootPackageNames.length; ++i) {
final Resources[] resourcesArray = ResourcesUtil
.getResourcesTypes(rootPackageNames[i]);
for (int j = 0; j < resourcesArray.length; ++j) {
final Resources resources = resourcesArray[j];
try {
resources.forEach(this);
} finally {
resources.close();
}
}
}
}
} finally {
registeredClasses.clear();
}
}
public void processClass(final String packageName,
final String shortClassName) {
if (shortClassName.indexOf('$') != -1) {
return;
}
String className = ClassUtil.concatName(packageName, shortClassName);
if (!namingConvention.isTargetClassName(className)) {
return;
}
Class clazz = ClassUtil.forName(className);
if (namingConvention.isSkipClass(clazz)) {
return;
}
if (container.getRoot().hasComponentDef(clazz)) {
if (clazz.isInterface() || ModifierUtil.isAbstract(clazz)) {
return;
}
final ComponentDef cd = container.getRoot().getComponentDef(clazz);
if (clazz == cd.getComponentClass()) {
return;
}
}
ComponentDef cd = createComponentDef(clazz);
if (cd == null) {
return;
}
if (registeredClasses.contains(cd.getComponentClass())) {
return;
}
container.getRoot().register(cd);
registeredClasses.add(cd.getComponentClass());
S2ContainerUtil.putRegisterLog(cd);
}
/**
* {@link ComponentDef}を作成します。
*
* @param componentClass
* @return {@link ComponentDef}
*/
protected ComponentDef createComponentDef(final Class componentClass) {
for (int i = 0; i < creators.length; ++i) {
ComponentCreator creator = creators[i];
ComponentDef cd = creator.createComponentDef(componentClass);
if (cd != null) {
return cd;
}
}
return null;
}
}